Introduction

Kim Sung Gyu, a boy who can saw the history of any incidents or people through physical touch. He become a bit of a loner ever since the end year of his middle school when his parents were killed by someone. Ever since that day, he was determined to find the killer in order to take revenge of the death of their parents. However, everything started to change when a transfer student named Nam Woohyun got deeply involved with his problem as mysterious cases and murders got in their way.
What is the real connection between those two?

Note: There's no romance relationship or any gay relationship in here. Sorry to disappoint some readers. Not comfortable with that kind of theme.